Alright, let's work through 3948 times 4539 step by step
3948 × 4539 = 4539 × (3948)
+ 4539 × 8 what gives us 36312
+ 4539 × 40 that equals 181560
+ 4539 × 900 that is equal 4085100
+ 4539 × 3000 that is equal 13617000

= 17919972
